Dynamics of atmospheric polychlorinated biphenyls (PCBs): concentrations, patterns, partitioning, and dry deposition level estimations in a residential site of Turkey


CİNDORUK S. S. , Tasdemir Y.

ENVIRONMENTAL MONITORING AND ASSESSMENT, vol.162, pp.67-80, 2010 (Peer-Reviewed Journal) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 162
  • Publication Date: 2010
  • Doi Number: 10.1007/s10661-009-0776-1
  • Journal Name: ENVIRONMENTAL MONITORING AND ASSESSMENT
  • Journal Indexes: Science Citation Index Expanded, Scopus
  • Page Numbers: pp.67-80
  • Keywords: Atmosphere, Congener, Partitioning models, PAHs, POLYCYCLIC AROMATIC-HYDROCARBONS, WATER-SURFACE SAMPLER, LAKE-MICHIGAN, ORGANIC-COMPOUNDS, AMBIENT AIR, GAS/PARTICLE CONCENTRATIONS, SOURCE APPORTIONMENT, COASTAL ATMOSPHERE, VAPOR-PRESSURE, VENICE LAGOON

Abstract

Air samples were collected at a residential site (Gulbahce, Bursa, Turkey) between August 2004 and April 2005 using a modified high volume air sampler. The mean of gas and particle phase concentrations of polychlorinated biphenyls (PCBs) were 468 +/-297 and 43 +/-37 pgm(-3) (average +/-standard deviation, SD), respectively. The dominated PCB homologs were 3-CBs, 4-CBs, and 5-CBs. The measured PCB concentrations were higher than the values of pristine sites. In order to assess the gas/particle partitioning fate, log K(P)-log P(L)(o), log KP-log K(OA) and the Junge-Pankow model were applied to the data. Experimental K(P) was well correlated with log P(L)(o) and log K(OA) at p < 0.05. Then, dry deposition fluxes were estimated using atmospheric concentrations and dry deposition velocities obtained from literature. A correlation matrix was formed for PCB homologs including 27 congeners with concurrently measured 16 polycyclic aromatic hydrocarbons (PAHs) and meteorological parameters. Most of PAH compounds were significantly correlated with 5-CBs and 6-CBs.